Birth rate and the stork population are connected.

出生率与鹳的数量有关。

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Other authorities feel that if birth control is imposed on the population, the future of mankind would be seriously endangered.

但是其他权威人士认为，倘若采取人口控制措施，那么人类的未来将受到严重威胁。

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Tajikistan had an particularly high birth rate and the highest rate of population increase of all the former Soviet republics.

塔吉克斯坦有着特别高的出生率，也是所有前苏联国家中人口增长最快的。

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But it also represents the result of higher birth rates among Hispanics in the United States compared to the general population.

VOA: special.2011.03.14

Many of the people that will contribute to it have already been born, so short of some catastrophe that kills off large numbers of people, or some Viagra-fuelled leap in birth rates, population numbers and age composition can be predicted with fair accuracy for decades ahead.

ECONOMIST: Demographics: Greying globe | The

It said immigration was needed to help offset a slowing birth rate and ageing population, and it needed to find a balance between the number of Singaporeans and foreigners in order to sustain its rate of economic growth.

BBC: Rare mass rally over Singapore immigration plans

But the Christian population is falling in statistical terms partly because it has a much lower birth-rate than the Muslim population around it.

BBC: Syria war fuels Christian flight from Middle East